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Re: MariaDB 10.0.6 using more file descriptors than 5.5 ?

 

Hi, Jocelyn!

On Nov 20, Jocelyn Fournier wrote:
> 
> I've just migrated MariaDB (+tokudb) from 5.5.33a to 10.0.6, and I've 
> encountered a '[ERROR] Error in accept: Too many open files' error 
> during a backup.
> As this was not occuring with MariaDB 5.5, is this expected to have 
> 10.0.6 using much more file descriptors ? (open_files_limit was set to 
> about 8100 with 5.5, I raised it to 65535 now to fix this issue).

I'm vaguely remember (but failed to find a corresponding Jira issue),
that InnoDB's async i/o used quite a lot of file descriptors.

Perhaps that, together with TokuDB, used up all your 8100 descriptors.

Regards,
Sergei


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